[mpich-discuss] BLCR kernel module not present

[basma a.azeem]

Thank you so much for your help

i used "insmod" to install kernel module for blcr

"sudo insmod  /usr/local/lib/blcr/3.5.0-27-generic/blcr_imports.ko"
"sudo insmod  /usr/local/lib/blcr/3.5.0-27-generic/blcr.ko"

it works but i need to run these commands every time i shut down 
i think that there is a method to have them installed permanently

i am new to Linux and parallel programming also

i need to find long running c/mpi applications to test blcr , the applications i will use
to test blcr should have an enough long execution time , i found many applications but with a short execution time .

thank you


From: wbland at mcs.anl.gov
Date: Fri, 26 Apr 2013 14:33:59 -0500
To: discuss at mpich.org
Subject: Re: [mpich-discuss] BLCR kernel module not present

It looks like you might have missed installing the kernel module for BLCR. What is the output of `lsmod`?
Alternatively, if you installed BLCR by using apt-get in Ubuntu, you should be able to use dkms to manage your kernel modules automatically. Make sure you have the package 'blcr-dkms' installed (you should be able to check this by typing `dims status`.
Do either of those solutions solve your issue?
Wesley
On Apr 26, 2013, at 1:55 PM, basma a.azeem <basmaabdelazeem at hotmail.com> wrote:
Thank you for your help


i installed BLCR 0.8.5 on my ubuntu 12.10  to be used for MPICH -3.0.3
this version of blcr should support to kernels through 3.7.1

when i run the command :
basma at basma-Satellite-A500:~$ mpiexec --info

results:

HYDRA build details:
    Version:                                 3.0.3
    Release Date:                            Thu Mar 28 16:01:21 CDT 2013
    CC:                              gcc    
    CXX:                             c++    
    F77:                             no   
    F90:                             no   
    Configure options:                       '--disable-option-checking' '--prefix=/home/basma/mpich2-install' '--disable-f77' '--disable-fc' '--enable-checkpointing' '--with-hydra-ckpointlib=blcr' '--cache-file=/dev/null' '--srcdir=.' 'CC=gcc' 'CFLAGS= -O2' 'LDFLAGS= ' 'LIBS=-lrt -lcr -lpthread ' 'CPPFLAGS= -I/home/basma/libraries/mpich-3.0.3/src/mpl/include -I/home/basma/libraries/mpich-3.0.3/src/mpl/include -I/home/basma/libraries/mpich-3.0.3/src/openpa/src -I/home/basma/libraries/mpich-3.0.3/src/openpa/src -I/home/basma/libraries/mpich-3.0.3/src/mpi/romio/include'
    Process Manager:                         pmi
    Launchers available:                     ssh rsh fork slurm ll lsf sge manual persist
    Topology libraries available:            hwloc
    Resource management kernels available:   user slurm ll lsf sge pbs cobalt
    Checkpointing libraries available:       blcr
    Demux engines available:                 poll select

so i thought that every thing is ok but when i try to rum mpiexec it failed:

basma at basma-Satellite-A500:~$ mpiexec -ckpointlib blcr -ckpoint-prefix /home/business/ckpts/app.ckpoint -ckpoint-interval 3600  -n 4 /home/basma/libraries/mpich-3.0.3/examples/cpi

results:

Fatal error in MPI_Init: Other MPI error, error stack:
MPIR_Init_thread(433)...: 
MPID_Init(151)..........: channel initialization failed
MPIDI_CH3_Init(70)......: 
MPID_nem_init(379)......: 
MPIDI_nem_ckpt_init(153): BLCR kernel module not present
Fatal error in MPI_Init: Other MPI error, error stack:
MPIR_Init_thread(433)...: 
MPID_Init(151)..........: channel initialization failed
MPIDI_CH3_Init(70)......: 
MPID_nem_init(379)......: 
MPIDI_nem_ckpt_init(153): BLCR kernel module not present
Fatal error in MPI_Init: Other MPI error, error stack:
MPIR_Init_thread(433)...: 
MPID_Init(151)..........: channel initialization failed
MPIDI_CH3_Init(70)......: 
MPID_nem_init(379)......: 
MPIDI_nem_ckpt_init(153): BLCR kernel module not present
Fatal error in MPI_Init: Other MPI error, error stack:
MPIR_Init_thread(433)...: 
MPID_Init(151)..........: channel initialization failed
MPIDI_CH3_Init(70)......: 
MPID_nem_init(379)......: 
MPIDI_nem_ckpt_init(153): BLCR kernel module not present

===================================================================================
=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
=   EXIT CODE: 1
=   CLEANING UP REMAINING PROCESSES
=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
===================================================================================


 
i am a Linux and parallel programming beginner

Thank you


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